不同油菜品种对根肿病的抗性分析
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国家科技支撑计划项目(2009BADA8B01, 2010BAD01B08)、云南省自然科学基金项目(2010CD001)、国家现代农业油菜产业技术体系昆明综合试验站项目(NYCYTX-00564)


Analysis of clubroot resistance of different rapeseed varieties
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    摘要:

    为鉴定并筛选抗根肿病的油菜品种,2010年在云南省油菜根肿病的重发区保山市隆阳区板桥镇高海村,对9个主栽油菜品种和7个从国内各育种单位引进的品种进行根肿病抗性研究。结果表明:油菜苗期田间渍水,能明显加重根肿病危害,显著降低油菜最终收获产量;根肿病从苗期始危害油菜、薹期最重、成熟期危害发病率和病情指数均略有下降;供试16个品种对油菜根肿病的抗性可分为3类,其中A35、花油7号和云油双1号3个品种在全生育期均表现出较强的抗根肿病能力,可作为云南根肿病常发区主导品种和育种材料使用。

    Abstract:

    Resistance of the major commercial rape varieties in Yunnan Province and seven clubroot resistant rape varieties from other rape breeding institutions in China was studied in the Gaohai village, Banqiao town, Longyang region, Baoshan city in 2010 where the clubroot spread most extensively. The results showed that the Plasmodiophora brassicae were aggravated by artificial simulating waterlogging at seeding stage, while the yield was reduced greatly. The clubroot harmed rape from seedling period and was most severe at bolting stage while the disease index and disease incidence reduced at silique mature period. The sixteen rape varieties were divided into three classes according to their resistance to the clubroot. Tress varieties A35, Huayou No.7, Yunyoushuang No.1 showed high resistance during all growth period and could be used as dominant breeds for further study on resistant breeding.

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符明联,杨玉珠,李根泽,罗延青,奚俊玉,徐海燕,张晓兰,原小燕,杨卫国.不同油菜品种对根肿病的抗性分析[J].华中农业大学学报,2011,30(4):443-447

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  • 收稿日期:2011-01-06
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